Integrated thin film solar cell interconnection
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-031/05
H01L-031/048
H01L-031/0445
H01L-031/18
H05K-001/18
출원번호
US-0869528
(2015-09-29)
등록번호
US-9385255
(2016-07-05)
발명자
/ 주소
Wiedeman, Scott
Britt, Jeffrey S.
Rhodes, Zulima
Sheehan, Eric
출원인 / 주소
Hanergy Hi-Tech Power (HK) Limited
대리인 / 주소
Kolisch Hartwell, P.C.
인용정보
피인용 횟수 :
1인용 특허 :
96
초록▼
Photovoltaic modules may include multiple flexible thin film photovoltaic cells electrically connected in series, and laminated to a substantially transparent top sheet having a conductive grid pattern facing the cells. Methods of manufacturing photovoltaic modules including integrated multi-cell in
Photovoltaic modules may include multiple flexible thin film photovoltaic cells electrically connected in series, and laminated to a substantially transparent top sheet having a conductive grid pattern facing the cells. Methods of manufacturing photovoltaic modules including integrated multi-cell interconnections are provided. Methods may include steps of coordinating, integrating, and registering multiple rolls of substrates in continuous processes.
대표청구항▼
1. A method of manufacturing a photovoltaic module, comprising: preparing photovoltaic web material including a photoactive top layer formed of semiconductor material and a metal back sheet;cutting entirely through the web material to form a plurality of discrete cell regions;scribing the web materi
1. A method of manufacturing a photovoltaic module, comprising: preparing photovoltaic web material including a photoactive top layer formed of semiconductor material and a metal back sheet;cutting entirely through the web material to form a plurality of discrete cell regions;scribing the web material by removing semiconductor material down to the back sheet, to define at least one interconnection pad area disposed on a long edge of each cell region;applying a conductive grid pattern to a transparent front sheet, the grid pattern including multiple sub-patterns corresponding to the discrete cell regions and a plurality of discrete interconnection tabs corresponding to the interconnection pad areas; andattaching the cell regions to the transparent front sheet so that each interconnection tab of the grid pattern is registered with a corresponding interconnection pad area of one of the cell regions, thereby connecting adjacent cell regions in electrical series. 2. The method of claim 1, further comprising applying a dielectric strip over an edge of each sub-pattern, each dielectric strip partially overlapping the interconnection tabs of a particular sub-pattern. 3. The method of claim 1, further comprising welding the interconnection tabs to the interconnection pad areas. 4. The method of claim 1, further comprising connecting the interconnection tabs to the interconnection pad areas with electrically conductive adhesive. 5. The method of claim 1, wherein the interconnection tabs are smaller than the interconnection pads to permit registration tolerance. 6. The method of claim 1, wherein the conductive grid pattern is applied to the transparent front sheet by applying a layer of copper foil and then chemically etching away copper in all other areas aside from the grid pattern. 7. The method of claim 1, wherein attaching the cell regions to the transparent front sheet includes aligning the grid over the cell regions, tacking the cell regions to the front sheet using heat directed at a small number of discrete positions, and then laminating the front sheet and the cell regions together. 8. A method of manufacturing a photovoltaic module, comprising: preparing photovoltaic web material including a photoactive top layer formed of semiconductor material and a metal back sheet;scribing the web material by removing semiconductor material, to define a plurality of discrete cell regions and at least one interconnection area disposed on a long edge of each cell region;cutting entirely through the web material between adjacent cell regions;applying a conductive grid pattern to a transparent front sheet, the grid pattern including multiple sub-patterns corresponding to the discrete cell regions and a plurality of discrete interconnection tabs corresponding to the interconnection areas; andattaching the web material to the transparent front sheet with each grid sub-pattern aligned with one of the cell regions so that each interconnection tab of the grid pattern is registered with a corresponding interconnection area of one of the cell regions, thereby connecting adjacent cell regions in electrical series. 9. The method of claim 8, further comprising applying a dielectric strip over an edge of each sub-pattern, each dielectric strip partially overlapping the interconnection tabs of a particular sub-pattern. 10. The method of claim 8, further comprising welding the interconnection tabs to the interconnection areas. 11. The method of claim 8, further comprising connecting the interconnection tabs to the interconnection areas with electrically conductive adhesive. 12. The method of claim 8, wherein the interconnection tabs are smaller than the interconnection areas to permit registration tolerance. 13. The method of claim 8, wherein the conductive grid pattern is applied to the transparent front sheet by applying a layer of copper foil to the transparent front sheet and then chemically etching away copper in areas other than the grid pattern. 14. The method of claim 8, wherein attaching the cell regions to the transparent front sheet includes aligning the grid over the cell regions, and tacking the cell regions to the front sheet using heat directed at a small number of discrete positions. 15. A method of manufacturing a photovoltaic module, comprising: preparing photovoltaic web material including a photoactive top layer formed of semiconductor material and a metal back sheet;cutting entirely through the web material to form a plurality of discrete cell regions;scribing the web material by removing semiconductor material without cutting entirely through the web material to define at least one interconnection area disposed on an edge of each cell region;applying a conductive grid pattern to a transparent front sheet, the grid pattern including multiple sub-patterns corresponding to the discrete cell regions and a plurality of discrete interconnection tabs corresponding to the interconnection areas; andattaching the web material to the transparent front sheet with each grid sub-pattern aligned with one of the cell regions so that each interconnection tab of the grid pattern is registered with a corresponding interconnection area of one of the cell regions, thereby connecting adjacent cell regions in electrical series. 16. The method of claim 15, further comprising applying a dielectric strip over an edge of each sub-pattern, each dielectric strip partially overlapping the interconnection tabs of a particular sub-pattern. 17. The method of claim 15, further comprising welding the interconnection tabs to the interconnection areas. 18. The method of claim 15, further comprising connecting the interconnection tabs to the interconnection areas with electrically conductive adhesive. 19. The method of claim 15, wherein the interconnection tabs are smaller than the interconnection areas to permit registration tolerance. 20. The method of claim 15, wherein attaching the cell regions to the transparent front sheet includes aligning the grid over the cell regions, and tacking the cell regions to the front sheet using heat directed at a small number of discrete positions on each cell region.
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이 특허에 인용된 특허 (96)
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